78275200

素因数分解:

$2^7\times 5^2\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:486

約数の個数: 96

約数和(自身を含む): 197024220

約数和(自身を除く): 118749020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 200, 244, 305, 320, 400, 401, 488, 610, 640, 800, 802, 976, 1220, 1525, 1600, 1604, 1952, 2005, 2440, 3050, 3200, 3208, 3904, 4010, 4880, 6100, 6416, 7808, 8020, 9760, 10025, 12200, 12832, 16040, 19520, 20050, 24400, 24461, 25664, 32080, 39040, 40100, 48800, 48922, 51328, 64160, 80200, 97600, 97844, 122305, 128320, 160400, 195200, 195688, 244610, 256640, 320800, 391376, 489220, 611525, 641600, 782752, 978440, 1223050, 1283200, 1565504, 1956880, 2446100, 3131008, 3913760, 4892200, 7827520, 9784400, 15655040, 19568800, 39137600, 78275200]

約数ペア:

[(1, 78275200), (2, 39137600), (4, 19568800), (5, 15655040), (8, 9784400), (10, 7827520), (16, 4892200), (20, 3913760), (25, 3131008), (32, 2446100), (40, 1956880), (50, 1565504), (61, 1283200), (64, 1223050), (80, 978440), (100, 782752), (122, 641600), (128, 611525), (160, 489220), (200, 391376), (244, 320800), (305, 256640), (320, 244610), (400, 195688), (401, 195200), (488, 160400), (610, 128320), (640, 122305), (800, 97844), (802, 97600), (976, 80200), (1220, 64160), (1525, 51328), (1600, 48922), (1604, 48800), (1952, 40100), (2005, 39040), (2440, 32080), (3050, 25664), (3200, 24461), (3208, 24400), (3904, 20050), (4010, 19520), (4880, 16040), (6100, 12832), (6416, 12200), (7808, 10025), (8020, 9760)]